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  1. ,
    Expert tip

    This was issue #706 in tabris-js. It happens when you have a switch in a CollectionView that is child of a Tab. Updating tabris or changing the switch for a Checkbox seems to solve the issue.

Solutions on the web

via xluat.com by Unknown author, 2 years ago
Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference
via Stack Overflow by Stefan Dekanski
, 1 year ago
Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference
via blogspot.com by Unknown author, 2 years ago
Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference
java.lang.NullPointerException: Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference	at android.support.v7.widget.SimpleItemAnimator.animateChange(SimpleItemAnimator.java:130)	at android.support.v7.widget.RecyclerView.animateChange(RecyclerView.java:3062)	at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2924)	at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3071)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.support.v4.view.ViewPager.onLayout(ViewPager.java:1627)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.support.design.widget.CoordinatorLayout.layoutChild(CoordinatorLayout.java:1037)	at android.support.design.widget.CoordinatorLayout.onLayoutChild(CoordinatorLayout.java:747)	at android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42)	at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1156)	at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:760)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at com.flipboard.bottomsheet.BottomSheetLayout.onLayout(BottomSheetLayout.java:208)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1043)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)	at android.widget.LinearLayout.onLayout(LinearLayout.java:1495)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2678)	at android.view.View.layout(View.java:16630)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2171)	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1931)	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1107)	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6013)	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)